Hex #76979d or rgb(118,151,157) in RGB space is the tint of bluish cian. It has hue angle of 189.23 degrees, value = 62 and saturation = 25. #76979d can be obtained by mixing 4 colors: 2 drops of red, 4 drops of cyan, 4 drops of white, 3 drops of black.
Nearest safe hex - #669999. Below you can see the block with #76979d color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #76979d to the mixer and play with it.